128103687

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3001}}^1$

素因数の和:3061

約数の個数: 40

約数和(自身を含む): 209227392

約数和(自身を除く): 81123705

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 459, 527, 837, 1377, 1581, 2511, 3001, 4743, 9003, 14229, 27009, 42687, 51017, 81027, 93031, 153051, 243081, 279093, 459153, 837279, 1377459, 1581527, 2511837, 4132377, 4744581, 7535511, 14233743, 42701229, 128103687]

約数ペア:

[(1, 128103687), (3, 42701229), (9, 14233743), (17, 7535511), (27, 4744581), (31, 4132377), (51, 2511837), (81, 1581527), (93, 1377459), (153, 837279), (279, 459153), (459, 279093), (527, 243081), (837, 153051), (1377, 93031), (1581, 81027), (2511, 51017), (3001, 42687), (4743, 27009), (9003, 14229)]